diff options
Diffstat (limited to 'fs/fcntl.c')
| -rw-r--r-- | fs/fcntl.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/fcntl.c b/fs/fcntl.c index 887b5ba8c9b5..08e6af5c1b1f 100644 --- a/fs/fcntl.c +++ b/fs/fcntl.c @@ -64,6 +64,9 @@ SYSCALL_DEFINE3(dup3, unsigned int, oldfd, unsigned int, newfd, int, flags) if (unlikely(oldfd == newfd)) return -EINVAL; + if (newfd >= rlimit(RLIMIT_NOFILE)) + return -EMFILE; + spin_lock(&files->file_lock); err = expand_files(files, newfd); file = fcheck(oldfd); |